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1 . Complete the UML Class Diagram for the Vending Machine Program as it is given, using Visual Paradigm. ( 4 marks ) 2 .

1. Complete the UML Class Diagram for the Vending Machine Program as it is given, using Visual Paradigm. (4 marks)
2. Suggest two design improvements by referring to at least two principles of Object-Oriented Design principles discussed in class. Explain your choices in writing. (6 marks)

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